Curves may show lithology.Logical formLearned from4 sentences. A person may add a curve.Logical formLearned from4 sentences. Groups can be constituted-of-or-filled-with elliptic curves.Logical formLearned from4 sentences. Closed curves can be disjoint.Logical formLearned from4 sentences. A curve can be constituted-of-or-filled-with activity.Logical formLearned from4 sentences. A place can be on a curve.Logical formLearned from4 sentences. A gap can be in a curve.Logical formLearned from4 sentences. A curve can be advanced.Logical formLearned from4 sentences. A (growth curve) can be sigmoid.Logical formLearned from4 sentences. A curve can be reversed.Logical formLearned from4 sentences. A spot can be on a curve.Logical formLearned from4 sentences. A curve may pertain-to a projectile.Logical formLearned from4 sentences. A curve can be negative.Logical formLearned from4 sentences. A (yield curve) can be positive.Logical formLearned from4 sentences. Curves can be connected.Logical formLearned from4 sentences.